.div_parent{
	
	width: 600px;
	
	height: 300px;
	
	border: 1px solid red;	
	
	display: flex;
	
	flex-direction: row;
	
	justify-content:space-between;  /*对整体做对齐方式*/
	
	
	
}

.div_parent>div{
	
	 width: 100px;
	 
	 height: 100px;
}

.div_son1{
	
	background-color: pink;
	
    align-self: flex-end; /*对单个盒子做对齐方式*/
   
    order: 3;
    
    flex-grow: 2;
   
}
div.div_son2{
	
	background-color:palegreen;
	
	width: 200px;
	
	align-self: center;
	
	order: 2;

}
.div_son3{
	
	background-color:paleturquoise;
	
	order: 1;
	
	flex-grow: 1;  /*如果容器有空余的空间 用flex-grow可以对盒子放大  数字是指容器里的每个盒子放大分配剩余空间的比例*/
	
}
